How would you explain this sentence?
“Union Station looks like a temple.”
“A temple.” Father gave a sideways look. “How old are you now, fourteen?”
“Fifteen. Sixteen this summer.”
“Right. Temples. Built with government money by Hoover’s swindlers. They’re planning to put up a whole string of your temples here on the south side of Pennsylvania. See that eye-popper? Washington’s Monument.” He pointed into a leafless park, the pale stone rising above the trees. A memory rose with it: the long, narrow box of hallway rising like a dark mouse tunnel. An echoing argument in the stairwell, Mother’s hand pulling downward, back to safety.
How would you explain the last sentence: Mother’s hand pulling downward, back to safety?
PS: His parents had divorced. And the boy went to live with his father after living with his mother for many years. Many years ago, after the argument mentioned in the last passage, his mother left his father and took the boy to Mexico.